CN217571015U

CN217571015U - Inner-cooling stepped drill

Info

Publication number: CN217571015U
Application number: CN202220549369.8U
Authority: CN
Inventors: 王宇晨; 南友福
Original assignee: Ruizhi Fengchi Cutting Technology Suzhou Co ltd
Current assignee: Ruizhi Fengchi Cutting Technology Suzhou Co ltd
Priority date: 2022-03-14
Filing date: 2022-03-14
Publication date: 2022-10-14
Anticipated expiration: 2032-03-14

Abstract

The utility model discloses an interior cold ladder bores, the technical essential includes the spliced pole, the bottom fixedly connected with shoulder drill bit of spliced pole, the water course has been seted up to inside between spliced pole and the shoulder drill bit, the top joint of spliced pole has the connector, the internally mounted of connector has the movable joint, the inside threaded connection of connector has the kelly, the kelly cooperatees with the spliced pole. The utility model discloses a form the ladder through spliced pole and ladder drill bit and bore wholly, with the spliced pole plug-in connection to the inside of connector, the spliced pole promotes the inside movable joint of connector, and the movable joint upwards slides along the inside of connector, and until contact mechanical valve, movable joint promotion mechanical valve opens, then twists two kellies and to the inside rotation of connector to realized that the device possesses the loading and unloading of being convenient for and change, the practicality is high, and be favorable to the advantage of cooling the chip removal.

Description

Inner-cooling stepped drill

Technical Field

The utility model relates to an interior cold ladder bores.

Background

The stepped drill is also called a stepped drill or a pagoda drill and is mainly used for drilling and processing thin steel plates within 3mm, one drill bit can replace a plurality of drill bits to be used for processing holes with different diameters according to needs and can realize the one-time processing completion of large holes without replacing the drill bit and punching positioning holes and the like, the stepped drill is also called a stepped drill or a pagoda drill and is mainly used for drilling and processing the thin steel plates within 3mm, one drill bit can replace a plurality of drill bits to be used for processing the holes with different diameters according to needs and can realize the one-time processing completion of the large holes without replacing the drill bit and punching positioning holes and the like.

The conventional inner-cooling stepped drill bit is inconvenient to install and replace, poor in practicability and not beneficial to chip removal, and is practical and very inconvenient, so that technical personnel design an inner-cooling stepped drill to solve the problems.

SUMMERY OF THE UTILITY MODEL

To the problem that exists among the prior art, the utility model aims to provide an interior cold ladder bores to solve the problem that the inconvenient installation of cold ladder bores changes and the chip removal in the current.

In order to solve the above problems, the utility model adopts the following technical proposal.

The utility model provides an interior cold ladder bores, includes the spliced pole, the bottom fixedly connected with shoulder drill bit of spliced pole, the water course has been seted up to inside between spliced pole and the shoulder drill bit, the top joint of spliced pole has the connector, the internally mounted of connector has the movable joint, the inside threaded connection of connector has the kelly, the kelly cooperatees with the spliced pole, the passageway has been seted up to the inside of connector, the inside fixedly connected with mechanical valve of passageway, the mechanical valve cooperatees with the movable joint.

As a further description of the above technical solution: the movable joint includes sliding block, protruding pipe, two slide bars and two springs, the outside sliding connection of sliding block to the inside of connector, the outside fixed connection of protruding pipe to the inside of sliding block, two the bottom of slide bar all with sliding block fixed connection, two the inside of sliding connection to connector is run through and sliding connection, two on the top of slide bar the inside of the equal fixed connection in top of spring to the connector, two the bottom of spring respectively with two slide bar fixed connection.

As a further description of the above technical solution: the bottom fixedly connected with snap ring of sliding block, ring groove has been seted up at the top of spliced pole, the snap ring cooperatees with ring groove.

As a further description of the above technical solution: two threaded holes are formed in the outer side of the connecting column, and the opposite ends of the two clamping rods are matched with the two threaded holes respectively.

As a further description of the above technical solution: two through holes, two are seted up to the bottom of ladder drill bit the through hole all is linked together with the water course, two the through hole all is located inside the chip groove of ladder drill bit.

As a further description of the above technical solution: two water drainage grooves are formed in the outer side of the stepped drill bit and are respectively communicated with the two through holes.

Compared with the prior art, the utility model has the advantages of:

this scheme is passed through the spliced pole and is constituteed the ladder drill wholly with the ladder drill bit, with the inside of spliced pole plug-in connection to the connector, the spliced pole promotes the inside movable joint of connector, the movable joint upwards slides along the inside of connector, until contacting the mechanical valve, the movable joint promotes the mechanical valve and opens, then twist and move two kellies and rotate to the connector is inside, two kellies carry out the chucking to the spliced pole, accomplish the erection joint, then start outside water source and pass through the inside that the mechanical valve pours into the rivers into the water course into rivers with rivers, carry out inside cooling to the ladder drill bit, thereby realized that the device possesses the loading and unloading of being convenient for and change, the usability is high, and be favorable to cooling the advantage of chip removal.

Drawings

Fig. 1 is a schematic front view of the three-dimensional structure of the present invention;

FIG. 2 is a schematic view of the front-view split section structure of the present invention;

fig. 3 is an enlarged schematic view of the part a in fig. 2.

The numbering in the figures illustrates:

1. connecting columns; 2. a stepped drill bit; 21. a through hole; 22. a water discharge tank; 3. a water channel; 4. a connector; 5. a movable joint; 51. a slider; 511. a snap ring; 52. a raised tube; 53. a slide bar; 54. a spring; 6. a clamping rod; 7. a channel; 8. a mechanical valve; 9. an annular neck; 10. a threaded bore.

Detailed Description

The technical solution in the embodiment of the present invention will be clearly and completely described below with reference to the accompanying drawings in the embodiment of the present invention;

please refer to and draw together 1 ~ 3, the utility model discloses in, an interior cold ladder bores, including spliced pole 1, spliced pole 1's bottom fixedly connected with ladder drill bit 2, water course 3 has been seted up to inside between spliced pole 1 and the ladder drill bit 2, spliced pole 1's top joint has connector 4, the internally mounted of connector 4 has movable joint 5, the internal thread connection of connector 4 has gag lever post 6, gag lever post 6 cooperatees with spliced pole 1, passageway 7 has been seted up to the inside of connector 4, the inside fixedly connected with mechanical valve 8 of passageway 7, mechanical valve 8 cooperatees with movable joint 5.

The utility model discloses in, constitute the ladder through spliced pole 1 and ladder drill bit 2 and bore wholly, peg graft spliced pole 1 to the inside of connector 4, spliced pole 1 promotes the inside movable joint 5 of connector 4, movable joint 5 upwards slides along the inside of connector 4, until contact mechanical valve 8, movable joint 5 promotes mechanical valve 8 and opens, then twist and move two kellies 6 to the inside rotation of connector 4, two kellies 6 carry out the chucking to spliced pole 1, accomplish the erection joint, then start outside water source and pass through the inside that mechanical valve 8 pours rivers into water course 3 into, carry out inside cooling to ladder drill bit 2, thereby realized that the device possesses the loading and unloading of being convenient for and change, the usability is high, and be favorable to the advantage of cooling chip removal, inconvenient installation change among the prior art has been solved, the practicality is poor, and be unfavorable for the chip removal, it is very inconvenient to be practical, therefore we propose an interior cold drill ladder and be used for solving above problem.

Please refer to fig. 3, in which: the movable joint 5 comprises a sliding block 51, a protruding pipe 52, two sliding rods 53 and two springs 54, the outer side of the sliding block 51 is connected to the inside of the connector 4 in a sliding manner, the outer side of the protruding pipe 52 is fixedly connected to the inside of the sliding block 51, the bottom ends of the two sliding rods 53 are both connected with the sliding block 51 in a fixed manner, the top ends of the two sliding rods 53 are connected to the inside of the connector 4 in a penetrating manner and in a sliding manner, the top ends of the two springs 54 are both fixedly connected to the inside of the connector 4, and the bottom ends of the two springs 54 are respectively connected with the two sliding rods 53 in a fixed manner.

The utility model discloses in, through sliding block 51, protruding pipe 52, two slide bars 53 and two springs 54, the cooperation use, spliced pole 1 inserts the inside of connector 4 and contacts sliding block 51's bottom, sliding block 51 is by jack-up, sliding block 51 drives protruding pipe 52 synchronous motion, two slide bar 53 synchronous motion drive two springs 54 of compression, the subassembly compresses tightly, protruding pipe 52 backs down mechanical valve 8, realize water course 3 and outside intercommunication, and dismantle two back springs 54 and promote sliding block 51 and descend, make mechanical valve 8 seal again, when making the change, can not leak, make the structure more reasonable.

Please refer to fig. 3, in which: the bottom fixedly connected with snap ring 511 of sliding block 51, ring groove 9 has been seted up at the top of spliced pole 1, and snap ring 511 cooperatees with ring groove 9.

The utility model discloses in, snap ring 511 cooperatees with ring groove 9 for spliced pole 1 is connected inseparabler with sliding block 51, makes its sealed effect better.

Please refer to fig. 3, in which: two threaded holes 10 are formed in the outer side of the connecting column 1, and the opposite ends of the two clamping rods 6 are respectively matched with the two threaded holes 10.

The utility model discloses in, through two screw hole 10 cooperation two kellies 6 convenience lock and dismantlement spliced pole 1 for the device is conveniently loaded and unloaded and is changed.

Please refer to fig. 1 and fig. 2, wherein: two through-holes 21 have been seted up to stepped drill 2's bottom, and two through-holes 21 all are linked together with water course 3, and two through-holes 21 all are located inside the chip groove of stepped drill 2.

The utility model discloses in, through two through-holes 21 and the cooperation of water course 3, the rivers that leave through water course 3 flow through-hole 21 to wash out along the chip groove to the inside piece of drilling under the high pressure, make the cooling and the chip removal effect of device better.

Please refer to fig. 1 and fig. 2, wherein: two water drainage grooves 22 are formed in the outer side of the stepped drill bit 2, and the two water drainage grooves 22 are respectively communicated with the two through holes 21.

The utility model discloses in, carry out the drainage chip removal through two through-hole 21 convenience of installation of two drainage tank 22 cooperations for the device structure is more reasonable.

The working principle is as follows: during the use, peg graft spliced pole 1 to the inside of connector 4, spliced pole 1 inserts the inside of connector 4 and contacts the bottom of sliding block 51, sliding block 51 is by the jack-up, sliding block 51 drives protruding pipe 52 synchronous motion, two slide bar 53 synchronous motion drive compress two springs 54, the subassembly compresses tightly, protruding pipe 52 backs down mechanical valve 8, realize water course 3 and outside intercommunication, and two springs 54 promote sliding block 51 to descend after dismantling, make mechanical valve 8 reclose, when making the change, can not leak, then twist two kellies 6 and rotate to connector 4 is inside, two kellies 6 carry out the chucking to spliced pole 1, accomplish erection joint, then start outside water source and pass through mechanical valve 8 with rivers injection water course 3's inside, carry out the internal cooling to ladder drill bit 2, thereby realized that the device possesses the loading and unloading of being convenient to change, the usability is high, and be favorable to the advantage of cooling ladder, the inconvenient installation change among the prior art has been solved, the practicality is poor, and be unfavorable for the chip removal, therefore, the practicality is inconvenient, we propose an interior cold drill is used for solving above problem very.

The foregoing is only a preferred embodiment of the present invention; the scope of the present invention is not limited thereto. Any person skilled in the art should also be able to cover the technical scope of the present invention by replacing or changing the technical solution and the improvement concept of the present invention with equivalents and modifications within the technical scope of the present invention.

Claims

1. The utility model provides an interior cold ladder bores, includes spliced pole (1), its characterized in that: the utility model discloses a water course, including spliced pole (1), the bottom fixedly connected with shoulder drill (2) of spliced pole (1), water course (3) have been seted up to inside between spliced pole (1) and shoulder drill (2), the top joint of spliced pole (1) has connector (4), the internally mounted of connector (4) has movable joint (5), the internal thread of connector (4) is connected with kelly (6), kelly (6) cooperate with spliced pole (1), passageway (7) have been seted up to the inside of connector (4), the inside fixedly connected with mechanical valve (8) of passageway (7), mechanical valve (8) cooperate with movable joint (5).

2. An internally cooled step drill according to claim 1, wherein: activity joint (5) include sliding block (51), protruding pipe (52), two slide bars (53) and two springs (54), the outside sliding connection of sliding block (51) is to the inside of connector (4), the outside fixed connection of protruding pipe (52) is to the inside of sliding block (51), two the bottom of slide bar (53) all with sliding block (51) fixed connection, two the inside of sliding connection to connector (4), two is run through and sliding connection in the top of slide bar (53) the inside of connector (4), two the equal fixed connection in top of spring (54) is to the inside of connector (4), two the bottom of spring (54) respectively with two slide bars (53) fixed connection.

3. An internally cooled step drill as set forth in claim 2 wherein: the bottom fixedly connected with snap ring (511) of sliding block (51), ring groove (9) have been seted up at the top of spliced pole (1), snap ring (511) cooperate with ring groove (9).

4. An internally cooled step drill as set forth in claim 1, wherein: two threaded holes (10) are formed in the outer side of the connecting column (1), and the opposite ends of the two clamping rods (6) are respectively matched with the two threaded holes (10).

5. An internally cooled step drill as set forth in claim 1, wherein: two through holes (21) have been seted up to the bottom of ladder drill bit (2), two through hole (21) all are linked together with water course (3), two through hole (21) all are located inside the chip groove of ladder drill bit (2).

6. An internally cooled step drill according to claim 5, wherein: two drainage channels (22) are formed in the outer side of the stepped drill bit (2), and the two drainage channels (22) are communicated with the two through holes (21) respectively.